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Output Type
The Handbook of Communication in Africa: Theory, Research, and Praxis
Oxford: Routledge (2026), 406 pp.
"The anthology showcases how communication scholarship can converse with on-the-ground initiatives and activism on the African continent. Rather than attempting to provide one homogeneous picture of a diverse continent, the handbook highlights the need to embrace an African worldview, regional varia
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WhatsApp in the World: Disinformation, Encryption, and Extreme Speech
Deep Insights
New York: New York University Press (2025), vii, 375 pp.
"Known by the popular nickname “ZapZap” in Brazil and synonymous with the Internet across Africa and South Asia, WhatsApp has emerged as a major means of communication for millions of people around the world. Unlike social media platforms such as Twitter and Facebook, WhatsApp offers a closed, e
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Governing Misinformation in Everyday Knowledge Commons
Cambridge: Cambridge University Press (2025), xiv, 278 pp.
"Governing Misinformation in Everyday Knowledge Commons delves into the complex issue of misinformation in our daily lives. The book synthesizes three scholarly traditions - everyday life, misinformation, and governing knowledge commons - to present 10 case studies of online and offline communities
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Digital Communication for Agricultural and Rural Development: Participatory Practices in a Post-COVID Age
Oxford: Routledge (2025), 315 pp.
"This volume presents insights on the challenges of digital communication and participation in agricultural and rural development. The COVID-19 pandemic has revealed that digital technology and mediated participation is more important and essential in managing ongoing communication for development p
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Encrypted Messaging and Extreme Speech: Policy Directions
Munich: Ludwig-Maximilian Universität (LMU); Center for Digital Dignity (2025), 58 pp.
"The report highlights interventions in six main categories, namely: Platform governance; Mitigating digital influence operations; Supporting research; Strengthening fact-checking; Awareness raising and capacity building; Leveraging artificial intelligence responsibly. The recommendations highlight
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Online Disinformation in Brazil: A Typology of Discursive Action of Harmful Political Content on WhatsApp and Facebook
International Journal of Communication, volume 18 (2024), pp. 2685-2709
"This article investigates harmful political content in public WhatsApp and Facebook groups of the radical Right in Brazil. Considering harmful political content as that which generates direct damage to the quality, reasonableness, and plurality of public discussion, we investigate the enunciative a
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"This paper aimed to address some of the gaps in knowledge about the nature of mis/disinformation and hate speech in WhatsApp groups, as well as the mechanisms through which those messages are identified, perceived, and relayed by users. Through quantitative and qualitative study of activities in 15
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Reaching Hard-To-Reach Communities: Using WhatsApp to Give Conflict-Affected Audiences a Voice
International Journal of Social Research Methodology, volume 27, issue 1 (2024), pp. 107-121
"This article provides an original and timely contribution to current cutting-edge methodological debates by discussing the ongoing need to ensure communities in zones which are inaccessible through war, conflict or disease still have a voice and are not side-lined. As seen during Covid-19, traditio
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Instant Messaging meets Diary Studies: Employing WhatsApp in Audio Diary Research with Female Journalists in Burkina Faso
ZQF Zeitschrift für qualitative Forschung, volume 24, issue 1 (2023), pp. 139-155
"This paper discusses the challenges and opportunities of using instant messaging (IM) technologies for diary studies. The discussion shows that IM as well as diary methods are both highly adaptable and flexible tools for qualitative data collection. In combination, they allow for innovative designs
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WhatsApp and Transparency: An Analysis on the Effects of Digital Platforms’ Opacity in Political Communication Research Agendas in Brazil
Profesional de la Información, volume 32, issue 2 (2023), 14 pp.
"This article aims to discuss what we call environmental opacity, a condition of mobile instant messaging services (MIMS) that operates on the basis of end-to-end encryption systems. Utilizing WhatsApp as a specific example, the article presents two fundamental dilemmas around which some issues conc
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WhatsApp 360: A Look into the WhatsApp News Ecosystem in Lebanon Focusing on Misinformation and Hate Speech
Metn: Samir Kassir Foundation (2023), 39 pp.
"1. Expansive reach and influence of WhatsApp groups: The study findings indicate that WhatsApp groups have a remarkably wide reach, potentially connecting with three quarters of WhatsApp users in Lebanon. These groups are part of larger networks, which enhances the dissemination of content. Moreove
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The Trust Gap: How and Why News on Digital Platforms is Viewed More Sceptically Versus News in General
Oxford: Reuters Institute for the Study of Journalism (2022), 71 pp.
"Drawing on an original dataset of survey responses collected in the summer of 2022 across four countries - Brazil, India, the UK, and the US - they examine the relationship between trust in news and how people think about news on digital platforms, especially Facebook, Google, WhatsApp, and YouTube
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Disinformation in the Global South
Deep Insights
Hoboken: Wiley Blackwell (2022), xxv, 237 pp.
"In many parts of the Global South, coordinated political disinformation campaigns, rumor, and propaganda have long been a part of the social fabric, even before disinformation has become an area of scholarship in the Global North. The way disinformation manifests in this region, and responses to it
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WhatsApp Disruptions in Brazil: A Content Analysis of User and News Media Responses, 2015–2018
Global Media and Communication, volume 18, issue 1 (2022), pp. 113-148
"Brazilians have adopted WhatsApp as a national media and communication infrastructure over the past several years, although it is controlled by its private US-based owner, Facebook. This article explores the diverse, contentious and influential roles the app played in the country during disruptions
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We Love to Hate George Soros: A Cross-Platform Analysis of the Globalism Conspiracy Theory Campaign in Brazil
Convergence, volume 28, issue 4 (2022), pp. 983–1006
"The proliferation of conspiracy theories surrounding George Soros and the ‘Globalist invasion’ had been concentrated primarily in Eastern Europe, Russia and the United States. However, since Jair Bolsonaro’s presidential victory in Brazil, Soros has become a target of the far-right in the cou
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Primeiro turno: Eleições 2022. Especial mensageria: Narrativas, estratégias e fluxo de desinformação
NetLab; Universidade Federal do Rio de Janeiro (UFRJ) (2022), 60 slides
"Neste relatório, o NetLab UFRJ reúne os principais resultados do monitoramento de redes de desinformação multiplataforma a partir dos aplicativos de mensageria. Analisando 115,3 mil mensagens veiculadas em grupos públicos do Whatsapp e 180,9 mil em grupos e canais públicos do Telegram, identi
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Scientific Disinformation in Times of Epistemic Crisis: Circulation of Conspiracy Theories on Social Media Platforms
Online Media and Global Communication, volume 1, issue 1 (2022), pp. 164-186
"The spread of disinformation about science in social media has been a major concern worldwide, especially at a time of crisis in which all institutions that produce knowledge and truth, including science, are delegitimized or discredited by society. Given this, the purpose of this research is to ma
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Overlooking the Political Economy in the Research on Propaganda
Harvard Kennedy School Misinformation Review, volume 2, issue special issue (2021), 14 pp.
"A thematic meta-analysis – of recent literature on online propaganda in the context of the Global South, and 20 Facebook-funded research projects in 2018 – shows that research is overwhelmingly focused on the psychological and behavioral impacts of propaganda. This research advocates for promot
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The Business Environment for News Media in Zimbabwe
Internews (2021), 22 pp.
"There is a growing market for factual, independent, reliable, and affordable news delivered in diverse languages in southern Zimbabwe. The local revenue sources to fund those efforts are not apparent. In an area of deep poverty, which has only been amplified by natural disasters and pandemic, large
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Behind Closed Curtains: Disinformation on Messenger Services
Potsdam: Friedrich Naumann Foundation (2020), 30 pp.
"Several studies analysed in this paper show that messenger services facilitate and exacerbate the spread of disinformation. Any solution must make allowances for the complexity with which information spreads. The case studies show that a lack of trust in government is a key factor in the proliferat
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